Railway clamp-plate



(No Model.)

- T. J. BUSH.

RAILWAY CLAMP PLATE. No. 373,641. Patented Nov. 22, 1887.

INVENTOR k @%%m BY M ATTORNEYS.

UNITED STATES PATENT OFFICE,

THOMAS J. BUSH, OF LEXINGTON, KENTUCKY.

RAILWAY CLAM P-PLATE.

SPECIFICATION forming part of Letters Patent No. 373,641, dated November 22, 1887.

Application filed February 8, 1887. Serial No. 226,911 (No model.)

points, (I, to embed in the tie, and thus pre- To all whom it may concern: 35

Be it known that I, THOMAS J. BUSH, of vent the plate from moving upon the tie. I Lexington, in the county of Fayette and State prefer to form a row of points or studs, d, at of Kentucky, have invented a new and Imor near the outer edge ofthe plate, and also to 5 proved Railway Clamp-Plate, of which the forniapair ofstuds, (1, each side oft-he opening following is a full, clear, and exact descripa near the flange of the rail. The opening-a 0 tion. through the plate is by preference countersunk The invention consists of the special eonfrom the under surface of the plate, to permit struction of the plate and of the combination the free insertion of the bent bolt D, and the to therewith of interlocking bolts inserted into lower surface, h, on which the penetrating diagonal intersecting holes made in the crosspoints or studs are formed, is flat, to set 45 tie, as disclosed in my Patent No. 257,287, squarely upon the tie. The uppersurface, h, dated May 2, 1882. of the plate is slightly inclined, as shown in Reference is to be-had to the accompanying Fig. 2, so that when the nuts f are turned 15 drawings, forming a part of this specification, home upon the bolts they will exert a drawin which similar letters of reference indicate ing action upon the plates toward the rail. 0 corresponding parts in both the figures. Near the center of the plate is formed an off- Figure 1 is a perspective view of my new set, j, to form a clearance for the flange of the and improved railway clamp-plate; and Fig. rail, and from this offset the plate is slightly 2o 2 shows a pair of plates applied to a railway inclined at the under surface, as shown at z",

rail and cross-tie in accordance with my into fit the pitch of the upper surface of the g5 vention, the tie being broken away. flange of the rail, as shown clearly in Fig. 2. A represents the rail held to the cross tie B Having thus fully described my invention, by the clamp-plates Gaud bent bolts D, passed what I claim as new, and desire to secure by 25 through the openings to in the plates and in- Letters Patent, is

.serted into diagonalintersecting holes E, made The plate 0, formed with the opening a, 60 in the cross-tie. The lower ends of the bolts countersunk from the under surface of the are notched at ff and interlock with each plate to permit the passage through the plate other within the tie, and are provided at their of the bent bolt D, substantially as described. 30 outer ends with the nuts ff, the same as in my above-mentioned patent. 'THOMAU BUSH The clamp-plates O are duplicates of each Vitnesses: other, each being formed upon its under sur- H. A. WEST, face with one or more studs or penetrating- O. SEDGWIGK. 

